This name is a synonym of Echinocereus knippelianus Liebner.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: W. Amer. Sci. 13: 27 1902.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:53069-2.
This name was in version 1 of The Plant List, record kew-2712001.